In parts of southern Italy and Greece, where people often live well into their 90s, daily meals typically include dark leafy greens drizzled with olive oil. These simple dishes have long been linked to heart health and longevity, and one nutrient in particular may be doing more than we realized.
Best known for its role in blood clotting, vitamin K is being studied for its potential to protect bones, blood vessels, and even the body’s energy systems as we age.





